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Be28 3-Phase
User's Manual
- JAN - 2013
page 1
Be28 User’s Manual
The information in this document is subject to change without notice.
No part of this document may be copied or reproduced in any form or any means without the prior written
consent of Bernini Design company. Bernini Design assumes no responsibility for any errors which may appear
in this instruction manual or in the wiring diagrams.
Although Bernini Design has taken all possible steps to ensure that the User Manual is complete, bug free and
up-to-date, we accept that errors may occur. If you encounter problems with this instruction manual, please
contact us.
Customer Support BERNINI DESIGN SRL ITALY
e-mail: [email protected]
mobile 1: ++39 335 7077 148
mobile 2:++40 721 241 361
Warranty
Bernini Design SRL (hereinafter "BD") warrants that Be28 shall be free from defect in material or workmanship
for a period of 3 years from the BD delivery date. BD shall, at its option, repair or replace the product without
charge. BD shall return the Be28 to the buyer with the Default parameters at no extra charge. The buyer shall
furnish sufficient information on any alleged defects in the product, so as to enable BD to determine their cause
and existence. If the Be28 is not defective, or the product is defective for reason other than covered by this
warranty, the buyer will be charged accordingly. This warranty shall not apply if the Be28 has not been used in
accordance with the User Manual and other operating instruction, particularly if any defects are caused by
misuse, improper repair attempts, negligence in use or handling.
This equipment complies with the EMC protection requirements
WARNING!! High voltage is present inside the Be28. To avoid electric-shock hazard, operating
personnel must not remove the protective cover. Do not disconnect the grounding connection. The Be28
can start the engine at anytime. Do not work on equipment, which is controlled by the Be28. When
servicing the engine, disconnect the battery and battery charger. We recommend that warning signs be
placed on equipment indicating the above.
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Be28 3-Phase
User's Manual
- JAN - 2013
page 2
Be28 User's Manual - Contents
1.0 Introduction ...................................................... page 3
2.0 Selection of a Mode of operation ................... page 3
2.1 OFF mode ........................................................ page 3
2.2 MANUAL mode ............................................... page 3
2.3 AUTO mode .................................................... page 4
2.4 TEST mode ..................................................... page 4
3.0 Display measurements ................................... page 4
4.0 Display messages............................................ page 6
4.10 Alarm messages ............................................ page 6
4.20 Miscellaneous messages .............................. page 6
5.0 LED indicators ................................................. page 7
6.0 LOG Events ..................................................... page 7
7.0 Alarms, Warnings & Shutdowns .................... page 7
8.0 Panel & Genset builder notes ......................... page 7
Section 1.0 Introduction
The Be28 integrates a 3-Phase Automatic Transfer Switch controller. The Be28 provides visual indication by
means of LEDs and Display for the most important Electrical parameters, Alarms and Status of the contactors. It
features OFF-MAN-AUTO & TEST mode of operation and provides a RS485 interface for remote control &
monitoring. Figure 1 presents the panel layout.
Figure 1: Front Panel layout
Alarm
acknowledge
pushbutton
Display control
& indicators
Alarm
messages
F10
A
V
Frequency
Engine
Program.
F8
F1
F2
Manual Generator
Control
F9
F3
F4
Contactors
Control
F5
F6
F7
Operating Mode
pushbuttons & LEDs
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Be28 3-Phase
User's Manual
- JAN - 2013
page 3
Section 2.0 Mode of operation
A mode of operation is selected via pushbutton and indicated by means of a green LED:
Operating Modes Pusbuttons
Operating Modes
MANUAL Mode
green LED
MAN
Pushbutton
TEST Mode
green LED
AUTO Mode
green LED
OFF
OFF
TEST
TEST
AUTO
AUTO
Pushbutton
Pushbutton
Pushbutton
Every time the power supply is switched on, the Be28 returns to the “AUTO” operating mode, if the BE28 was in
TEST or AUTO prior to power down. In the other cases, the Be28 will enter the OFF mode.
2.1 OFF mode
Push the [OFF] pushbutton to enter the OFF mode. OFF mode clears the fault alarms. The Display and LEDs
are turned off and a dot on the display will blink slowly. Push one of the pushbuttons on the front panel to
energize the display. The display will turn off automatically after a few minutes.
2.2 MANUAL mode
The MANUAL mode allows you to manual control the Engine and Contactors.
Instructions
Manual Engine Control
Push the [MAN] pushbutton to select the MANUAL mode. Push
the [START] pushbutton until engine starts; the display indicates
the message [! ! ! !] during the preheat and the message [. . . .]
during the starting attempts.
When the engine is running, the green LED turns on. To stop the
engine, push the [STOP] pushbutton until the [StOP] message
appears on the display.
Engine Running
green LED
START
Pushbutton
STOP
Pushbutton
To control manually the contactors follow the instructions:
Contactors Control Panel
Generator
Presence LED
(Green)
KG-closed
indicator
(Green)
KM-closed
indicator
(Green)
KG
Instructions
Mains
Presence LED
(Green)
KM
KM
Pushbutton
(push to close)
KG
Pushbutton
(push to close)
Select the MANUAL mode, start the engine (see above)
and wait for voltage generator presence.
Push the [ I ] (KG) pushbutton to close the contactor of
the Generator. To transfer the Load to Mains, push the [I]
(KM) pushbutton (the [KG] will open). To open a
Contactor, push the [O] pushbutton.
[ O ]Pushbutton
(push to open)
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Be28 3-Phase
User's Manual
- JAN - 2013
page 4
! ! WARNING ! !
LINE VOLTAGE IS EXPOSED WITHIN THE Be28, THE LOAD OR ANCILLARY CIRCUITRY EVEN WHEN
THE GREEN LEDs ARE TOTALLY OFF
2.3 AUTO mode
Push the [AUTO] pushbutton until the green LED ‘AUTO’ illuminates. The engine starts when the Be28
detects a Mains failure. The contactor of the MAINS (KM) opens after a delay. After the warm-up time, if the
Voltage and Frequency are within the settings, the contactor of the Generator (KG) will close. If the Mains
restores, the KG will open. The KM will close following a programmable changeover timing. The engine will
stop after a cooling down time. If the engine shuts down, the KM closes only if the Mains is within the
programmed settings. In AUTO mode, the Be28 can start and stop the engine according to programmable
inputs also.
2.4 TEST mode
Push the [TEST] pushbutton until the green LED illuminates.The Be28 starts the engine and could transfer the
load to the Generator according to the settings of the panel manufacturer. To stop the engine, select the AUTO
mode (if the Mains is present) or stop the engine in MANUAL mode. If you push the [STOP] pushbutton when
the Be28 is in AUTO or TEST, the [Er.09] will energize. To clear the alarm, select the OFF mode (section 7.0).
Section 3.0 Display measurements
The Be28 features a 4 Digit display, two pushbuttons and 5 yellow Leds as indicated below.
Frequency-Speed
Display menu
Vac-Generator-Mains
Display menu
Generator-Current
Display menu
[ F8 ] control
Pushbutton
A
V
Frequency
Engine
F8
Display-Vbattery
Program
F9
Programming
Display menu
[ F9 ]
Display control
Pushbutton
4Digit Display
Use [←F8] and [F9→] to select a menu. Use [ACK-F10] (see the layout in section 1.0) to display the name of
the function present on the display. The OFF mode shuts down the display and turns on the dot on the right side
of it. Push a button to turn on the panel. The following table lists the functions of the display (see next page)
4
Be28 3-Phase
Display Function
Current of the Generator
(0 up to 1000A)
Voltage of the Generator
(60V up to 998V)
Voltage of the Mains
(60V up to 998V). When
Mains is simulated, the
display indicates the
message [U-on]. (contact
your panel manufacturer
for details)
Generator Frequency
(20Hz up to 70Hz)
Mains Frequency
(20Hz up to 70Hz)
User's Manual
Display indications (*)
[AXXX] Ampere L1
[-XXX] Ampere L2
[_XXX] Ampere L3
[A -G]
[GXXX] Volt L1-L2
[-XXX] Volt L2-L3
[_XXX] Volt L1-L3
Pushbutton(s)
[U -G]
[ACK-F10]
[nXXX] (V R-S)
[-XXX] (V S-T)
[_XXX] (V T-R)
[←F8] or [F9→]
[U -on]
[ACK-F10]
[GXXX] Hz
[←F8] or [F9→]
[H - G]
[ACK-F10]
[nXXX] Hz
[←F8] or [F9→]
[H - n]
[SPd]
Battery Voltage
(5,5 Vdc up to 36Vdc)
Charger Voltage
(3.0 Vdc up to 36Vdc)
- JAN - 2013
[bXX.X] Vdc
[←F8] or [F9→]
Menu & Led indicator
Aac
Yellow
menu
[ACK-F10]
[←F8] or [F9→]
Vac
menu
Yellow
Hz/RPM
menu
Yellow
Engine
Yellow
[ACK-F10]
[ACK-F10]
[←F8] or [F9→]
[batt]
[ACK-F10]
[cXX.X] Vdc
[←F8] or [F9→]
[Char.]
page 5
[ACK-F10]
(*)NOTE: X indicates a numerical digit; if the measurement is not available the display will indicate [- - - -]
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Be28 3-Phase
User's Manual
- JAN - 2013
page 6
Section 4.0 Display messages
The Be28 shows alarms (table 4.10) and messages (table 4.20). The presence of alarms is indicated by the
blinking message [ALAr.]. Push the [→F9] pushbuttons to display the alarms one by one. Push the [←F8]
pushbutton to display additional information about the alarm. Push [ACK-F10] to silence the HORN (if provided).
Table 4.10: Alarm messages
( !!! ) NOTE: consult always your supplier or the user manual of the engine. A short description of the
alarms is indicated below.
Display
Description of the Alarm
[Er.01]
Over Frequency Shutdown
[Er.03]
Remote LOCK Shutdown.
[Er.04]
Alternator Failure Shutdown
[Er.05]
Overload Warning or Shutdown
Display
Description of the Alarm
[Er. 13]
Battery Voltage Warning
[Hi-C]
Over Current Shutdown or Warning.
( !!! )
[Hi-U]
Over Voltage / Under Voltage Shutdown
( °°° )
[Lo-U]
( °°° )
( !!! )
( !!! )
( °°° )
[InP.1]
[Er.06]
Under Frequency Shutdown
( °°° )
[InP.2]
[Er.07]
Fail To STOP Shutdown
( !!! )
[InP.3]
[Er.08]
Emergency Shutdown. (Wait for the end
of the Emergency condition before starting
the engine).
Emergency Shutdown from the Front
Panel. (Cancel the Alarm and restart the
engine).
[Er.09]
Input 1-2-3-4 Shutdown / Warning
Normally these alarms protect your
Generator. Consult your supplier for further
details.
[InP.4]
[Er.11]
Fail To START Shutdown
( !!! )
( °°° ) NOTE: verify if you are Overloading the Generator: consult an electrician.
4.20 Miscellaneous messages
[rESt]
[n-on]
['''']
[StoP]
[U-uP]
[ dEL]
The Be28 is counting the rest time between the
starting attempts
MAINS simulated via an external switch.
[. . . .]
The Be28 is performing the pre-glow.
The Be28 is stopping the engine.
Warm up time of the engine before closing the
contactor of the generator.
Delay time before cranking.
[tEst]
[----]
[CooL]
The Be28 is cranking the engine.
The Be28 is in Test mode.
Measurement out of range or disabled.
The engine is running off load for
cooling.
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Be28 3-Phase
User's Manual
- JAN - 2013
page 7
Section 5.0 LED indicators
To test the LEDs and DISPLAY push the [OFF] pushbutton; the display turns off. Push and hold the [←F8]
and [F9→] pushbuttons simultaneously. The LEDs and DISPLAYs remain energised as long as the pushbuttons
are pressed and held together.
Section 6.0 LOG Events
To have access to the LOG events follow the instructions:
- Push the [OFF] button.
- Push and hold the [STOP] button until the message [Hist.] appears on display (approx. 10 seconds).
- Release the [STOP] button.
- Using [←F8] and [F9→] you can browse the events E01 up to E100.
- Push the [STOP] button to display the code of the EVENT (see table 4.10 for the meaning of the codes). The
message [----] indicates ‘No Event’ in the memory.
- To quit the LOG EVENTS push the [OFF] button.
Section 7.0 - Alarms, Warnings and Shutdowns
The Be28 features Shutdowns (the engine stops) and Warnings (the engine will continue to run) and provides:
A) - a general indication of alarm presence by means of the message [ALAr.] on the display
B) - symbols and ideograms on the front panel to indicate alarms (see Figure 1, section 1)
C) - display messages indicating warnings and shutdowns (see Table 4.10)
D) - a pushbutton to silence the Horn ([ACK-F10])
To silence the HORN (if provided by your Panel manufacturer), push the [ACK-F10] pushbutton.
To display details about the alarm, push the [←F8] pushbutton. To clear the alarm from the panel, remove the
cause of the alarm and then press the [OFF] pushbutton. The Table 4.10 in section 4.0 indicates all alarms.
!!! WARNING !!! In case of Alarm consult always your supplier or the user manual of the engine
!! WARNING !!
High voltage is present inside the Be28. To avoid electric-shock hazard, operating personnel must not
remove the protective cover. Do not disconnect the grounding connection. The Be28 can start the
engine at anytime. Do not work on equipment, which is controlled by the Be28. When servicing the
engine, disconnect the battery and battery charger. We recommend that warning signs be placed on
equipment indicating the above.
8.0 - Panel & Gen-set Builders Notes
________________________________________
________________________________________
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